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Kimi K2.8 Preview vs Ministral 8B Instruct

Comparing Kimi K2.8 Preview and Ministral 8B Instruct across benchmarks, pricing, and capabilities.

Moonshot AI · Mistral AI · Updated for 2026

Which is better?

Kimi K2.8 Preview and Ministral 8B Instruct trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.

Kimi K2.8 Preview also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Kimi K2.8 Preview

  • you process long inputs — it offers a 1,048,576 token context window
  • you want the most recent training data — it shipped Sep 2026

Choose Ministral 8B Instruct

  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Kimi K2.8 Preview
Moonshot AI
Ministral 8B Instruct
Mistral AI
Benchmark wins
—
—
Input price
— / M
$0.10 / M
Output price
— / M
$0.10 / M
Context window
1,048,576
128,000

Individual benchmarks

0 reported for Kimi K2.8 Preview · 11 for Ministral 8B Instruct

No common benchmarks found

Kimi K2.8 Preview and Ministral 8B Instructdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Kimi K2.8 Preview accepts 1,048,576 input tokens compared to Ministral 8B Instruct's 128,000 tokens. Only Ministral 8B Instruct specifies output context (128,000 tokens).

Moonshot AI
Kimi K2.8 Preview
Input1,048,576 tokens
Output- tokens
Mistral AI
Ministral 8B Instruct
Input128,000 tokens
Output128,000 tokens
Tue Sep 15 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Kimi K2.8 Preview supports multimodal inputs, whereas Ministral 8B Instruct does not.

Kimi K2.8 Preview can handle both text and other forms of data like images, making it suitable for multimodal applications.

Kimi K2.8 Preview

Text
Images
Audio
Video

Ministral 8B Instruct

Text
Images
Audio
Video

License

Usage and distribution terms

Kimi K2.8 Preview is licensed under a proprietary license, while Ministral 8B Instruct uses Mistral Research License.

License differences may affect how you can use these models in commercial or open-source projects.

Kimi K2.8 Preview

Proprietary

Closed source

Ministral 8B Instruct

Mistral Research License

Open weights

Release Timeline

When each model was launched

Kimi K2.8 Preview was released on 2026-09-11, while Ministral 8B Instruct was released on 2024-10-16.

Kimi K2.8 Preview is 23 months newer than Ministral 8B Instruct.

Kimi K2.8 Preview

Sep 11, 2026

4 days ago

1.9yr newer
Ministral 8B Instruct

Oct 16, 2024

1.9 years ago

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Provider Availability

Kimi K2.8 Preview is available from Moonshot AI. Ministral 8B Instruct is available from Mistral AI.

Kimi K2.8 Preview

moonshot logo
Unknown Organization

Ministral 8B Instruct

mistral logo
Mistral
Input Price:Input: $0.10/1MOutput Price:Output: $0.10/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Kimi K2.8 Preview and Ministral 8B Instruct side-by-side, then vote on the output you prefer.

Kimi K2.8 Preview
✓ Preferred
Ministral 8B Instruct
Open in Playground

FAQ

Common questions about Kimi K2.8 Preview vs Ministral 8B Instruct.

Which is better, Kimi K2.8 Preview or Ministral 8B Instruct?

Kimi K2.8 Preview (Moonshot AI) and Ministral 8B Instruct (Mistral AI) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does Kimi K2.8 Preview compare to Ministral 8B Instruct in benchmarks?

Ministral 8B Instruct scores MT-Bench: 83.0%, Winogrande: 75.3%, ARC-C: 71.9%, Arena Hard: 70.9%, MBPP pass@1: 70.0%.

What are the context window sizes for Kimi K2.8 Preview and Ministral 8B Instruct?

Kimi K2.8 Preview supports 1.0M tokens and Ministral 8B Instruct supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Kimi K2.8 Preview and Ministral 8B Instruct?

Key differences include context window (1.0M vs 128K), multimodal support (yes vs no), licensing (Proprietary vs Mistral Research License). See the full comparison above for benchmark-by-benchmark results.

Who makes Kimi K2.8 Preview and Ministral 8B Instruct?

Kimi K2.8 Preview is developed by Moonshot AI and Ministral 8B Instruct is developed by Mistral AI.

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